TABLE 3.
Estimates from growth curve models fitted to the outcome measures SDQ‐P Total Difficulties Subscale (N = 88) and PLOC‐PPC (N = 89)
| Parameters | SDQ‐P Total Difficulties | PLOC‐PPC | ||||||
|---|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 1 | Model 2 | |||||
| Est. (SE) | 95% CI | Est. (SE) | 95% CI | Est. (SE) | 95% CI | Est. (SE) | 95% CI | |
| Fixed effects | ||||||||
| Intercept/IAU | 9.11 (0.95)*** | 7.21, 11.02 | 8.42 (0.92)*** | 6.62, 10.22 | 4.00 (0.12)*** | 3.77, 4.23 | 4.01 (0.12)*** | 3.77, 4.25 |
| FTI | −0.73 (1.37) | −3.48, 2.02 | 0.58 (1.27) | −1.91, 3.07 | −0.03 (1.17) | −0.37, 0.31 | −0.11 (0.17) | −0.44, 0.22 |
| LTC | −0.93 (1.71) | −4.36, 2.49 | −0.71 (1.65) | −3.94, 2.52 | −0.29 (0.21) | −0.71, 0.13 | −0.27 (0.21) | −0.68, 0.14 |
| Slope/IAU | 1.12 (0.48)* | 0.15, 2.10 | 1.09 (0.59) | −0.07, 2.46 | −0.09 (0.06) | −0.21, 0.04 | −0.07 (0.06) | −0.19, 0.05 |
| FTI | −2.03 (0.70)** | −3.46, −0.61 | −1.73 (0.77)* | −3.24, −0.22 | 0.35 (0.09)*** | 0.17, 0.53 | 0.30 (0.09)** | 0.13, 0.47 |
| LTC | −2.06 (0.88)* | 3.83, −0.29 | −2.04 (0.98)* | 3.96, −0.12 | 0.23 (0.11)* | 0.005, 0.45 | 0.22 (0.12) | 0.02, 0.46 |
| Child age | −0.61 (0.20)** | −1.00, −0.22 | 0.05 (0.03) | −0.009, 0.11 | ||||
| CORE BL | −0.18 (1.40) | −2.92, 2.56 | −0.07 (0.19) | −0.44, 0.30 | ||||
| CORE Change | 1.25 (1.34) | −1.38, 3.88 | 0.02 (0.16) | −0.29, 0.33 | ||||
| Child age × Time | −0.06 (0.13) | −0.31, 0.19 | −0.009 (0.02) | −0.05, 0.03 | ||||
| CORE BL × Time | 0.74 (1.18) | −1.57, 3.05 | −0.04 (0.14) | −0.31, 0.23 | ||||
| CORE Change × Time | −0.26 (1.26) | −2.73, 2.21 | −0.0007 (0.14) | −0.28, 0.27 | ||||
| Random effects (SD) | ||||||||
| Residuals | 2.51 | 2.47 | 0.27 | 0.28 | ||||
| Level 3 intercept | 2.37 | 2.43 | 0.37 | 0.41 | ||||
| Level 2 intercept | 4.26 | 3.90 | 0.47 | 0.46 | ||||
| Time slope (level 2) | 1.08 | 1.31 | 0.20 | 0.21 | ||||
| Correlation | 0.27 | 0.05 | −0.53 | −0.56 | ||||
Note: The time variable was coded 0, 1, 2. In the total sample, the means, and standard deviations at baseline for the outcome measures were as follows: SDQ‐P Total Difficulties (M = 8.73, SD = 5.5) and PLOC‐PPC (M = 3.87, SD = 0.69).
Abbreviations: BL, baseline; Change, change in patient symptoms during the study; CORE, Clinical Outcome in Routine Evaluation – Outcome Measure: Symptoms Subscale; FTI, Family Talk Intervention; IAU, Interventions as Usual; LTC, Let's Talk about Children; PLOC‐PPC, Parental Locus of Control – Perceived Parental Control Subscale; SDQ‐P, Strength and Difficulties Questionnaire – Parent Version: Total Difficulties Subscale.
*p < 0.05; **p < 0.01; ***p < 0.001.